Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this begins at 0 so a nonce of one hundred would basically be the 101st transaction submitted by this https://total-bookmark.com/story20169149/explorer-blockchain-things-to-know-before-you-buy-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources